css - Reverse states on hover with Less -


i have following less code:

.favourite-action-link {     &:after {         color:@grey;         content: '\e836';     }     &.is-favourite:after {         color:@red;         content: '\e811';     }     &:hover {         &:after {             color:@red;             content: '\e811';         }         &.is-favourite:after {             color:@grey;             content: '\e836';         }     } }

with essential goal being there normal state , hover state, reversed when class present. i'll repeating other actions (eg .share-action-link, .review-action-link etc) , seems messy way have it. there way create mixin such provide so:

.favourite-action-link {     &:after {         color:@grey;         content: '\e836';         &:hover {             color:@red;             content: '\e811';         }         .reverseonclass(is-favourite);     } }

or that? way can think of far do:

.favourite-action-link {     &:after {         color:@grey;         content: '\e836';     }     &.active:after {         color:@red;         content: '\e811';     } }

and use jquery instead hover - toggling .active on (ishovering xor hasclass(is-favourite)) - turning less less + jquery opposite of fixing mess/maintainability issue.

i recommend writing below because keeps code simple , easy read.

.favourite-action-link {   &:after, &.is-favourite:hover:after {     color: @grey;     content: '\e836';   }   &:hover:after, &.is-favourite:after {     color: @red;     content: '\e811';   } }

but if want use mixin avoid repeating selectors write below. mixin takes 2 rulesets input , applied required selectors.

.favourite-action-link {   .rules-gen(     {       color: @grey;       content: '\e836';     };     {       color: @red;       content: '\e811';     }   ); }  .rules-gen(@rule1; @rule2){   &:after, &.is-favourite:hover:after {     @rule1();   }   &:hover:after, &.is-favourite:after {     @rule2();   } }

in both these methods, selectors grouped , means reduced lines of code.

demo

or, if class not is-favourite , else pass mixin parameter below:

.favourite-action-link {   .rules-gen(     {       color: grey;       content: '\e836';     };     {       color: red;       content: '\e811';     };     ~"is-favourite"   ); }  .share-action-link {   .rules-gen(     {       color: yellow;       content: '\e836';     };     {       color: gold;       content: '\e811';     };     ~"active"   ); }  .rules-gen(@rule1; @rule2; @addedclass){   &:after, &.@{addedclass}:hover:after {     @rule1();   }   &:hover:after, &.@{addedclass}:after {     @rule2();   } }

demo


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